Cutting off reproduction — from birth control to castration — consistently adds years to life across species, even humans.

Shankland's award-winning interdisciplinary book examines our dominance of and affection for animals and how empathy toward ...

Blocking reproduction through contraception or sterilization increases lifespan in both male and female mammals across more ...

Lucinda Aulsebrook does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

As a career ethologist, I was thrilled when I learned about Dr. Matthew Calarco's new and highly original book titled The Three Ethologies: A Positive Vision for Rebuilding Human-Animal Relationships.

The energy invested in animal reproduction is as much as 10 times greater than previously estimated when the metabolic load of bearing and caring for offspring is accounted for, according to a new ...